Remove flags for language selection (console)

[zzz]

From "AO"

More and more, it is considered bad l10n practice to use country flags
for language selection. In today’s world, Most English speakers are not
Americans, most French speakers are not French, etc, and using flags
might actually frustrate some users. For this reason, it is recommended
to use the language first letters, or the whole language name in a
rolldown

On /home, /console, /configui